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According to the CRB over FF-A specification [1], a TPM that implements the ABI must comply with the TCG PTP specification. This requires support for the Idle and Ready states. This patch implements CRB control area requests for goIdle and cmdReady on FF-A based TPMs. The FF-A message used to notify the TPM of CRB updates includes a locality parameter, which provides a hint to the TPM about which locality modified the CRB. This patch adds a locality parameter to __crb_go_idle() and __crb_cmd_ready() to support this. [1] https://developer.arm.com/documentation/den0138/latest/ Signed-off-by: Stuart Yoder <stuart.yoder@arm.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.